Kenechukwu Obinna Okponyia และ Sunday Ayoola Oke. (2021) Process optimisation regarding overall equipment effectiveness of tyre manufacturing using response surface methodology and grey relational analysis. <i>Engineering Access</i>, <i>7</i>(2), 109-125.Kenechukwu Obinna Okponyia และ Sunday Ayoola Oke. "Process optimisation regarding overall equipment effectiveness of tyre manufacturing using response surface methodology and grey relational analysis". Engineering Access 7 (2021):109-125.Kenechukwu Obinna Okponyia และ Sunday Ayoola Oke. Process optimisation regarding overall equipment effectiveness of tyre manufacturing using response surface methodology and grey relational analysis. Faculty of Engineering Mahasasakham University:ม.ป.ท. 2021.